Intermatic ET2805C Installation And Setup Instructions Download Page 2

LOAD1

L1
L2/N

N

L

(120/277 VAC LOAD)

CIRCUIT 1

TIMER 

POWER

COM1

NO-1

AC  IN

OUTPUT CONFIGURATION: IND

Latch location

Tilt top forward

Installation

Follow these instructions to install the time switch. 
1.  Open the time switch enclosure door.
2.  Remove and retain the screw that secures the plastic insulator.
3.  Lift the left side of the plastic insulator and pivot away to expose the terminal strip. 
4.  Press the latch at the top of the enclosure and pull out the mechanism from the 

enclosure.

5.  Choose and remove the selected knockout(s) from the enclosure.

NOTE:

 There are five 1/2 inch to 3/4 inch combination knockouts available. There are 

two on the bottom of the enclosure, one on each side, and one on the rear. If a 3/4 
inch knockout is needed, remove the 1/2 inch knockout first, then the 3/4 knockout.

6.  Place the enclosure in the desired location providing space for the enclosure door to 

swing open fully.

7.  Securely mount enclosure using provided mounting holes.
8.  Use appropriately rated fittings for the installation.
9.  Snap the mechanism back into the enclosure.
10.  Strip 1/2 inch off the supply and load wires. Use AWG #14-#8 copper conductors 

rated at least 105ºC.

11.  Connect the wires to the proper terminals on the time switch and tighten the screws 

firmly (See wiring diagrams).

12.  Connect ground wire to grounding terminal at the bottom of metal enclosures.
13.  Return the insulator to its original position and replace the screw.
14.  Close enclosure door.
15.  Apply power to the time switch.

Wiring Diagrams

1/2 inch

Initial Setup

The following sections provide instructions for the initial setup of the time switch.

Programming Overview

The steps to program the time switch include setting the current date, time, Astro zone, Astro events, fixed events, DST, and holiday 
events, setting the time switch’s operation to AUTO mode, ENERGY SAVER mode or MANUAL mode (only MANUAL mode will 
appear if there are no scheduled events) and read or write an event schedule from a USB memory stick.

NOTE: 

If the time switch is left inactive for five minutes in a programming mode, it will return to the AUTO mode screen (

AUTO

 icon 

turned on). If no scheduled events are programmed, the time switch will return to MANUAL mode. If the date has not yet been 
entered, the time switch will go to the Enter Date Mode.

Setting Date

Follow this procedure below to set the date and time in the time switch. 

NOTE:

 If necessary, hold + or - to scroll through the digits rapidly. 

1.  Press MODE to scroll through the mode selections until 

SET

 and 

DATE

 icons appear at the top of the display. The month 

flashes.

2.  Press + or - to select the current month and then press ENTER/NEXT. The day of the month flashes.
3.  Press + or - to select the current day of the month, and then press ENTER/NEXT. The year flashes.
4.  Press + or - to enter the current year, and press ENTER/NEXT. The month will flash again.
5.  Press MODE to move to the next mode selection.

Summary of Contents for ET2805C

Page 1: ...rcial environment This equipment generates uses and radiates radio frequency energy and if not installed and used in accordance with instructions may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference that requires the user to correct at his or her own expense MODELS ET2805C ET2805CR ET2805CP Shown in indoor ...

Page 2: ... metal enclosures 13 Return the insulator to its original position and replace the screw 14 Close enclosure door 15 Apply power to the time switch Wiring Diagrams 1 2 inch Initial Setup The following sections provide instructions for the initial setup of the time switch Programming Overview The steps to program the time switch include setting the current date time Astro zone Astro events fixed eve...

Page 3: ...M on Sunday of the user configured starting and ending weeks Select LST for the fifth Sunday of a month 6 Press or to select an ending month and press ENTER NEXT 7 Press or to select an ending week and press ENTER NEXT 8 Press MODE to save the DST rules and move to the next mode selection Setting Astro Zone and Time Zone The astronomic feature of this time switch provides a sunset ON event and a s...

Page 4: ...to advance to the Offset mode selection if this selection is not already active The SET and SUNUP icons appear at the top of the display The default sunup is displayed 2 Press or to adjust the time for sunup and press ENTER NEXT OFFSET briefly appears on the display and then the offset time in minutes is displayed NOTE Offsets can be set to a maximum of 2 hours 120 minutes before or after a sunup ...

Page 5: ... screen to set fixed switching times Odd numbered events are for ON switching and even numbered events are for OFF switching These events can be enabled for selected days of the week Follow these steps to set fixed time events if no fixed events need to be set press MODE to move to the next mode selection 1 Press MODE to advance until SET FIXED ON OFF EVENTS and ON icons appear on the display if t...

Page 6: ...ss ENTER NEXT and the day of the month the 1 will flash 5 Press the or buttons to choose the day that the holiday will start 6 Press ENTER NEXT and the OFF icon is displayed 7 The time display will flash and also show 1H 8 Press the or buttons to choose the month that the holiday will end 9 Press the ENTER NEXT and the day of the month the 1 will flash 10 Press the or buttons to choose the day tha...

Page 7: ...press and hold ENTER NEXT until MEM CLEAR then DONE briefly appears Writing Time Switch Program Data to a USB Memory Stick The time switch has the capability to copy its programmed data event schedules holidays output configuration DST on off setting DST rule setting and geographical location to a USB memory stick Follow these steps to transfer all programming from the time switch to a USB memory ...

Page 8: ...ORATED 7777 Winn Road SPRING GROVE ILLINOIS 60081 9698 www intermatic com 158 01684 LIMITED TWO YEAR WARRANTY If within the warranty period specified this product fails due to a defect in material or workmanship Intermatic Incorporated will repair or replace it at its sole option free of charge This warranty is extended to the original household purchaser only and is not transferable This warranty...

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